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Orbital elements based on amateur observations | Sun-synchronous Satellites - India
This a list of satellites in sun-synchronous orbit operated by India ordered by LTDN - Local Time at the Descending Node. Names are not necessarily those by which they are known in the NORAD catalogue used by SpaceTrack.
It is a snapshot and is updated daily. The measure that results in an entry in this table is that the drift rate of LTDN (Local Time at the Descending Node) is no more than twenty four minutes each year. Some satellites may have higher drift rates but they may still be acceptable to their owners/operators. They do not appear here. On the converse, although a satellite is in a sun-synchronous orbit, it is not necessarily active.
Updated: 2023 Sep 24, 05:48 UTC
LTDN |
Satellite |
Cat no |
Desig- nation |
Orbit Epoch |
Orbit |
03:08 | IMS 1 (Indian Mini Satellite) | 32786 | 2008-021D | 2023 Sep 23 | 592 x 606 km, 96.7 min, 97°.8 | 06:00 | EOS 04 (Earth Observation Satellite 4) | 51656 | 2022-013A | 2023 Sep 23 | 527 x 529 km, 95.2 min, 97°.5 | 06:21 | Ispiresat 1 | 51657 | 2022-013B | 2023 Sep 23 | 499 x 514 km, 94.7 min, 97°.5 | 06:27 | RISat 1 (Radar Imaging Satellite) | 38248 | 2012-017A | 2023 Sep 23 | 509 x 517 km, 94.9 min, 97°.5 | 08:26 | ScatSat 1 (Scatterometer Satellite 1) | 41790 | 2016-059H | 2023 Sep 23 | 718 x 724 km, 99.2 min, 98°.3 | 09:18 | Cartosat 3 | 44804 | 2019-081A | 2023 Sep 23 | 500 x 516 km, 94.8 min, 97°.3 | 09:28 | Cartosat 2E | 42767 | 2017-036C | 2023 Sep 23 | 504 x 513 km, 94.8 min, 97°.5 | 09:30 | Cartosat 2F | 43111 | 2018-004A | 2023 Sep 23 | 506 x 510 km, 94.8 min, 97°.5 | 09:30 | Cartosat 2D | 41948 | 2017-008A | 2023 Sep 23 | 504 x 512 km, 94.8 min, 97°.5 | 09:32 | Cartosat 2B | 36795 | 2010-035A | 2023 Sep 23 | 624 x 643 km, 97.4 min, 97°.9 | 09:32 | Cartosat 2C | 41599 | 2016-040A | 2023 Sep 23 | 499 x 518 km, 94.8 min, 97°.4 | 09:33 | Cartosat 2A | 32783 | 2008-021A | 2023 Sep 23 | 624 x 643 km, 97.4 min, 97°.9 | 09:34 | EMISat (Electromagnetic Intelligence-gathering Satellite) | 44078 | 2019-018A | 2023 Sep 23 | 733 x 759 km, 99.7 min, 98°.4 | 09:55 | HySIS | 43719 | 2018-096A | 2023 Sep 23 | 632 x 636 km, 97.4 min, 97°.9 | 10:08 | Resourcesat 2 | 37387 | 2011-015A | 2023 Sep 23 | 816 x 823 km, 101.3 min, 98°.6 | 10:10 | IRS 1A | 18960 | 1988-021A | 2023 Sep 23 | 893 x 916 km, 103.1 min, 99°.0 | 10:11 | Carbonite-2 | 43115 | 2018-004E | 2023 Sep 23 | 461 x 473 km, 93.9 min, 97°.3 | 10:31 | Resourcesat 2A | 41877 | 2016-074A | 2023 Sep 23 | 818 x 821 km, 101.3 min, 98°.7 | 12:00 | EOS 06 (Earth Observation Satellite 6) | 54361 | 2022-158A | 2023 Sep 23 | 735 x 736 km, 99.5 min, 98°.4 | 13:18 | AFR 1 (ABA First Runner) | 56964 | 2023-084AJ | 2023 Sep 23 | 514 x 533 km, 95.1 min, 97°.5 | 17:53 | SARAL (Satellite with ARgos and ALtiKa) | 39086 | 2013-009A | 2023 Sep 23 | 783 x 786 km, 100.5 min, 98°.5 |
For the satellites that do not have formal published elements, thanks go to the radio and visual amateur satellite trackers for their observing, and particularly to Mike McCants for archiving the derived orbits.
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